AQA GCSE Biology · 8461
Specification 4.6.3.2 · Paper 2
Revise: SpeciationOnce the populations cannot interbreed to produce fertile offspring, reproductive isolation has occurred and separate species have formed.
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GCSE Biology · key term
A difference between populations that prevents them from interbreeding to produce fertile offspring.
Used by AQA
Specification 4.6.3.2 · Paper 2
Revise: SpeciationOnce the populations cannot interbreed to produce fertile offspring, reproductive isolation has occurred and separate species have formed.
The defining final test for the formation of separate species is reproductive isolation: the populations cannot interbreed to produce fertile offspring.
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